Novel Light-Field Sensor for 3D Scene Construction Has Unprecedented Angular Resolution

A research team has developed a 3D imaging sensor that has an extremely high angular resolution — it can distinguish points of an object separated by an angular distance, of as little as 0.0018°. The sensor operates on a unique angle-to-color conversion principle.

NeuWS Camera Overcomes Light Scattering With Full-Motion Video

Engineers have created full-motion video technology that could potentially be used to make cameras that peer through fog, smoke, driving rain, murky water, skin, bone, and other media that reflect scattered light and obscure objects from view.

New Microchip Could Monitor Earth’s Climate, Human Health

A team at Delft University of Technology has built a new technology on a microchip by combining two Nobel Prize-winning techniques for the first time. This microchip could measure distances in materials at high precision — e.g., underwater or for medical imaging.

Six Considerations When Choosing Machine Vision in Collaborative Applications

Machine vision dates back to the beginning of the modern industrial robot age in the 1980s. Augmenting cobots with vision allows them to perform with higher precision, flexibility, and intelligence. However, integration is not a one-size-fits-all process.

Strengthening Electron-Triggered Light Emission

A wavelength of visible light is about 1,000 times larger than an electron, so the way the two affect each other is limited by that disparity. Now, researchers have come up with a way to...

Researchers Acquire 3D Images with LED Room Lighting and a Smartphone

Researchers are tapping into dynamically controlled LEDs to create a simple illumination system for 3D imaging.

Light-Based Computing Scheme Reduces Power Needed to Mine Cryptocurrencies

Researchers have developed a new light-based computing scheme that uses a photonic integrated circuit to reduce the energy necessary for cryptocurrency and...

Gecko-Inspired Climbing Soft Robot

The new robot, developed by engineers at the University of Waterloo, uses ultraviolet (UV) light and magnetic force to move on any surface, even up walls and across ceilings.

Light-Based Optical Computing for Ultrafast Electronics

Physicists achieved optical switching of a light signal at attosecond speeds to reach previously unattainable data transfer speeds.

Micro Light-Emitting Diodes for VLC

Light-emitting diode (LED) solid-state lighting technology offers low power consumption and cost, small size, and a long lifespan. Plus, it’s environmentally friendly.

Lighting the Way to Sustainability with PoE

Commercial buildings are responsible for roughly 18 percent of the total energy consumed in this country.

Strengthening Electron-Triggered Light Emission

The way electrons interact with photons of light is a key part of many modern technologies, from lasers to solar panels to LEDs. But the interaction is inherently a weak one because of a...

Self-Cleaning Germicidal Door Handle

To overcome the limitations of using cleaning agents, sprays, or bulky high-cost sterilizing systems, NASA developed the Ultraviolet Germicidal Door Handle.

UV-to-Red-Light Converting Films Accelerate Plant Growth

An interdisciplinary team from Hokkaido University’s Engineering and Agriculture departments and the Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) has...

Glow-in-the-Dark Algae May Be Ideal for Soft Robots

Engineers developed soft devices containing algae that glow when under mechanical stress —perfect for building soft robots.

Light-Emitting Tattoo

The OLEDs are fabricated onto temporary tattoo paper and transferred to a new surface by being pressed onto it and dabbed with water.

Method Miniaturizes Light-Based Chips

But they’re not yet small enough to compete in computing and other applications where electric circuits continue to reign.

Designing a Silicon Photonic MEMS Phase Shifter with Simulation

Existing infrastructure still relies on many electrical signal processing components embedded inside fiber optic networks.

Time-of-Flight: Highly Reliable 3D Imaging for Challenging Applications

There are multiple technologies based on the ToF concept. Generally, all of them are synchronized with a light source and estimate the distance by calculating the time taken for the light to travel from the camera to the object and then back again.

New Products

The new products in September 2022.

Firefly-Inspired Robotic Lightning Bugs Take Flight

The ability to emit light also brings these microscale robots, which weigh barely more than a paper clip, one step closer to flying on their own outside the lab.

Unprinting Method Removes Toner with Xenon Light

A new way to unprint paper uses intense pulsed light from a xenon lamp.

Rice ‘Metalens’ Could Disrupt Vacuum UV Market

Tests showed the metalens they made could focus its 197-nanometer output onto a spot measuring 1.7 microns in diameter, increasing the power density of the light output by 21 times.

Upside-Down Design Expands Wide-Spectrum Super-Camera Abilities

Plasmonics is a technology that essentially traps the energy of light in groups of electrons oscillating together on a metal surface.

Laser Processing Method for Optoelectronic Devices

This method increases the efficiency of light-emitting diodes and other optical elements.

Flexible Micro LEDs for Wearables

These micro LEDs can be folded, twisted, cut, and stuck to different surfaces.